chrome/browser/ui/views/infobars/translate_language_menu_model.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/views/infobars/translate_language_menu_model.h"
   6
   7 #include "chrome/browser/translate/translate_infobar_delegate.h"
   8 #include "chrome/browser/ui/views/infobars/translate_infobar_base.h"
   9
  10 TranslateLanguageMenuModel::TranslateLanguageMenuModel(
  11     LanguageType language_type,
  12     TranslateInfoBarDelegate* infobar_delegate,
  13     TranslateInfoBarBase* infobar,
  14     views::MenuButton* button,
  15     bool translate_on_change)
  16     : ui::SimpleMenuModel(this),
  17       language_type_(language_type),
  18       infobar_delegate_(infobar_delegate),
  19       infobar_(infobar),
  20       button_(button),
  21       translate_on_change_(translate_on_change) {
  22   for (size_t i = 0; i < infobar_delegate_->num_languages(); ++i)
  23     AddCheckItem(static_cast<int>(i), infobar_delegate_->language_name_at(i));
  24 }
  25
  26 TranslateLanguageMenuModel::~TranslateLanguageMenuModel() {
  27 }
  28
  29 bool TranslateLanguageMenuModel::IsCommandIdChecked(int command_id) const {
  30   return static_cast<size_t>(command_id) == GetLanguageIndex();
  31 }
  32
  33 bool TranslateLanguageMenuModel::IsCommandIdEnabled(int command_id) const {
  34   // Prevent the same language from being selectable in original and target.
  35   return static_cast<size_t>(command_id) != ((language_type_ == ORIGINAL) ?
  36       infobar_delegate_->target_language_index() :
  37       infobar_delegate_->original_language_index());
  38 }
  39
  40 bool TranslateLanguageMenuModel::GetAcceleratorForCommandId(
  41     int command_id,
  42     ui::Accelerator* accelerator) {
  43   return false;
  44 }
  45
  46 void TranslateLanguageMenuModel::ExecuteCommand(int command_id,
  47                                                 int event_flags) {
  48   size_t command_id_size_t = static_cast<size_t>(command_id);
  49   if (language_type_ == ORIGINAL)
  50     infobar_delegate_->UpdateOriginalLanguageIndex(command_id_size_t);
  51   else
  52     infobar_delegate_->UpdateTargetLanguageIndex(command_id_size_t);
  53
  54   infobar_->UpdateLanguageButtonText(button_,
  55       infobar_delegate_->language_name_at(GetLanguageIndex()));
  56   if (translate_on_change_)
  57     infobar_delegate_->Translate();
  58 }
  59
  60 size_t TranslateLanguageMenuModel::GetLanguageIndex() const {
  61   return (language_type_ == ORIGINAL) ?
  62       infobar_delegate_->original_language_index() :
  63       infobar_delegate_->target_language_index();
  64 }